Declension table of ?ṛṣigupta

Masculine	Singular	Dual	Plural
Nominative	ṛṣiguptaḥ	ṛṣiguptau	ṛṣiguptāḥ
Vocative	ṛṣigupta	ṛṣiguptau	ṛṣiguptāḥ
Accusative	ṛṣiguptam	ṛṣiguptau	ṛṣiguptān
Instrumental	ṛṣiguptena	ṛṣiguptābhyām	ṛṣiguptaiḥ ṛṣiguptebhiḥ
Dative	ṛṣiguptāya	ṛṣiguptābhyām	ṛṣiguptebhyaḥ
Ablative	ṛṣiguptāt	ṛṣiguptābhyām	ṛṣiguptebhyaḥ
Genitive	ṛṣiguptasya	ṛṣiguptayoḥ	ṛṣiguptānām
Locative	ṛṣigupte	ṛṣiguptayoḥ	ṛṣigupteṣu

Compound ṛṣigupta -

Adverb -ṛṣiguptam -ṛṣiguptāt